【发布时间】：2013-08-31 13:34:11
【问题描述】：
我正在使用未修改的 Bootstrap 3。
这里
<!-- Carousel
================================================== -->
<div id="myCarousel" class="carousel slide">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="item active carousel-1">
<div class="container">
<div class="carousel-caption">
<h1>Example headline.</h1>
<p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
<p><a class="btn btn-large btn-primary" href="#">Sign up today</a></p>
</div>
</div>
</div>
<div class="item carousel-2">
<div class="container">
<div class="carousel-caption">
<h1>Another example headline.</h1>
<p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
<p><a class="btn btn-large btn-primary" href="#">Learn more</a></p>
</div>
</div>
</div>
</div>
<a class="left carousel-control" href="#myCarousel" data-slide="prev"><span class="glyphicon glyphicon-chevron-left"></span></a>
<a class="right carousel-control" href="#myCarousel" data-slide="next"><span class="glyphicon glyphicon-chevron-right"></span></a>
</div><!-- /.carousel -->
bootstrap 3 中的默认 css：
.carousel {
position: relative;
}
.carousel-inner {
position: relative;
width: 100%;
overflow: hidden;
}
.carousel-inner > .item {
position: relative;
display: none;
-webkit-transition: 0.6s ease-in-out left;
transition: 0.6s ease-in-out left;
}
.carousel-inner > .item > img,
.carousel-inner > .item > a > img {
display: block;
height: auto;
max-width: 100%;
line-height: 1;
}
.carousel-inner > .active,
.carousel-inner > .next,
.carousel-inner > .prev {
display: block;
}
.carousel-inner > .active {
left: 0;
}
.carousel-inner > .next,
.carousel-inner > .prev {
position: absolute;
top: 0;
width: 100%;
}
.carousel-inner > .next {
left: 100%;
}
.carousel-inner > .prev {
left: -100%;
}
.carousel-inner > .next.left,
.carousel-inner > .prev.right {
left: 0;
}
.carousel-inner > .active.left {
left: -100%;
}
.carousel-inner > .active.right {
left: 100%;
}
.carousel-control {
position: absolute;
top: 0;
bottom: 0;
left: 0;
width: 15%;
font-size: 20px;
color: #ffffff;
text-align: center;
text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
opacity: 0.5;
filter: alpha(opacity=50);
}
.carousel-control.left {
background-image: -webkit-gradient(linear, 0 top, 100% top, from(rgba(0, 0, 0, 0.5)), to(rgba(0, 0, 0, 0.0001)));
background-image: -webkit-linear-gradient(left, color-stop(rgba(0, 0, 0, 0.5) 0), color-stop(rgba(0, 0, 0, 0.0001) 100%));
background-image: -moz-linear-gradient(left, rgba(0, 0, 0, 0.5) 0, rgba(0, 0, 0, 0.0001) 100%);
background-image: linear-gradient(to right, rgba(0, 0, 0, 0.5) 0, rgba(0, 0, 0, 0.0001) 100%);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#80000000', endColorstr='#00000000', GradientType=1);
}
.carousel-control.right {
right: 0;
left: auto;
background-image: -webkit-gradient(linear, 0 top, 100% top, from(rgba(0, 0, 0, 0.0001)), to(rgba(0, 0, 0, 0.5)));
background-image: -webkit-linear-gradient(left, color-stop(rgba(0, 0, 0, 0.0001) 0), color-stop(rgba(0, 0, 0, 0.5) 100%));
background-image: -moz-linear-gradient(left, rgba(0, 0, 0, 0.0001) 0, rgba(0, 0, 0, 0.5) 100%);
background-image: linear-gradient(to right, rgba(0, 0, 0, 0.0001) 0, rgba(0, 0, 0, 0.5) 100%);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#80000000', GradientType=1);
}
.carousel-control:hover,
.carousel-control:focus {
color: #ffffff;
text-decoration: none;
opacity: 0.9;
filter: alpha(opacity=90);
}
.carousel-control .icon-prev,
.carousel-control .icon-next,
.carousel-control .glyphicon-chevron-left,
.carousel-control .glyphicon-chevron-right {
position: absolute;
top: 50%;
left: 50%;
z-index: 5;
display: inline-block;
}
.carousel-control .icon-prev,
.carousel-control .icon-next {
width: 20px;
height: 20px;
margin-top: -10px;
margin-left: -10px;
font-family: serif;
}
.carousel-control .icon-prev:before {
content: '\2039';
}
.carousel-control .icon-next:before {
content: '\203a';
}
.carousel-indicators {
position: absolute;
bottom: 10px;
left: 50%;
z-index: 15;
width: 60%;
padding-left: 0;
margin-left: -30%;
text-align: center;
list-style: none;
}
.carousel-indicators li {
display: inline-block;
width: 10px;
height: 10px;
margin: 1px;
text-indent: -999px;
cursor: pointer;
border: 1px solid #ffffff;
border-radius: 10px;
}
.carousel-indicators .active {
width: 12px;
height: 12px;
margin: 0;
background-color: #ffffff;
}
.carousel-caption {
position: absolute;
right: 15%;
bottom: 20px;
left: 15%;
z-index: 10;
padding-top: 20px;
padding-bottom: 20px;
color: #ffffff;
text-align: center;
text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}
.carousel-caption .btn {
text-shadow: none;
}
@media screen and (min-width: 768px) {
.carousel-control .icon-prev,
.carousel-control .icon-next {
width: 30px;
height: 30px;
margin-top: -15px;
margin-left: -15px;
font-size: 30px;
}
.carousel-caption {
right: 20%;
left: 20%;
padding-bottom: 30px;
}
.carousel-indicators {
bottom: 20px;
}
}
我添加的一些 CSS：
.carousel {
height: 500px;
}
.carousel-inner {
height: 100%;
}
.carousel-1 {
height: 100%;
background: url(../images/carousel1.jpg) no-repeat center center fixed;
-webkit-background-size: cover;
background-size: cover;
}
.carousel-2 {
height: 100%;
background: url(../images/carousel2.jpg) no-repeat center center fixed;
-webkit-background-size: cover;
background-size: cover;
}
但我不知道如何让这个旋转木马具有褪色效果。 我尝试将不透明度从 1 更改为 0，当活动项目时，它会制作 2 个动画，它会向左滑动并改变不透明度。..
你能帮帮我吗？
【问题讨论】：
-
您必须在 bootstrap 中编辑 carousel.js 文件以获得淡入淡出效果，因为滑动是默认设置，并且没有可以传入的淡入淡出选项。
-
@user2606561 请注明最佳答案... gerardnll 的答案不需要任何库，只需添加代码